There are over 100 named varieties (cultivars) of kousa (Chinese) dogwoods (Cornus kousa) in nursery trade (USDA hardiness zone 5-8). Most cultivars grow 20-30 feet high with some exceptions. Kousa dogwood blooms 2-3 weeks after U.S. native flowering dogwood (C. florida). Most grow shrub-like and tree forms require extensive training at the nursery. Flowers are 2-4 […]
Archive for the ‘Dogwood (Cornus)’ Category
Fall – Winter Pruning Dos and Don’ts
Pruning is a chore that you don’t need to put off until spring. Many trees and shrubs may be pruned this autumn. However, NOT all landscape trees and shrubs are pruned. Here are some pruning guidelines to follow: WAIT to prune spring flowering deciduous shrubs such as Forsythia, Lilac, Bridal Wreath & Vanhoutte Spireas, Quince, Viburnums, Fothergilla, […]
Powdery Mildew Disease Resistant Cultivars
Gardeners have learned to associate certain plants with a troublesome disease(s). Powdery and downy mildews have become epidemic in many regions of the U.S. Best ways for managing mildew diseases are prevention, good cultural practices, and spraying.. First, avoid planting susceptible cultivars. Plant in the proper location and space plants far enough apart so they’re not touching. Surrounding […]
Saving Heirloom Seeds
At the end of each growing season, you may choose to collect seeds from favorite flowering annuals and vegetables to holdover and plant in next year’s garden. Some may be heirloom varieties that you have saved for many years because you like their productivity or flavor. Note: these seeds should not be “hybrids”. Hybrids represent a cross between […]

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